From 5fa550010cd0d9293d253d9528a4029db26ced54 Mon Sep 17 00:00:00 2001
From: stuebinm
Date: Sat, 2 May 2026 14:31:33 +0200
Subject: owntracks: support returning commands

---
 lib/OwnTracks/Command.hs | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

(limited to 'lib/OwnTracks/Command.hs')

diff --git a/lib/OwnTracks/Command.hs b/lib/OwnTracks/Command.hs
index 257d3e3..532a593 100644
--- a/lib/OwnTracks/Command.hs
+++ b/lib/OwnTracks/Command.hs
@@ -42,6 +42,7 @@ data Command =
   -- ^ Imports and activates new configuration values (iOS,Android)
   | GetWaypoints
   -- ^ Triggers publish of a waypoints message (iOS,Android)
+  deriving (Eq, Show, Generic)
 
 instance ToJSON Command where
   toJSON c = object ( "_type" .= String "cmd"
@@ -61,3 +62,18 @@ instance ToJSON Command where
             SetWaypoints ws    -> [ "waypoints" .= ws ]
             SetConfiguration c -> [ "configuration" .= c ]
             _                  -> []
+
+instance FromJSON Command where
+  parseJSON (Object v) = do
+    action :: Text <- v .: "action"
+    case action of
+      "dump"             -> pure Dump
+      "status"           -> pure GetStatus
+      "reportSteps"      -> ReportSteps <$> v .: "from" <*> v .: "to"
+      "reportLocation"   -> pure ReportLocation
+      "clearWaypoints"   -> pure ClearWaypoints
+      "setWaypoints"     -> SetWaypoints <$> v .: "waypoints"
+      "setConfiguration" -> SetConfiguration <$> v .: "configuration"
+      "waypoints"        -> pure GetWaypoints
+      _                  -> fail "unknown action in _type=command"
+  parseJSON _ = fail "Command should be an object"
-- 
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